الفهرس 
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Abstract
People who suffer from extreme obesity and have tried and failed to lose weight without surgery may be good candidates for bariatric surgery. Both the laparoscopic sleeve gastrectomy (LSG) and the single anastomosis sleeve ileal bypass (SASI) have recently gained widespread recognition as essential bariatric procedures.
Both the detection of complications following surgery and the evaluation of the efficacy of the gastric bypass procedure rely heavily on radiology in gastric bariatric surgery. For accurate assessment of stomach volumes after gastric bypass surgery, multi-slice computed tomography (MSCT) is the only method now available. Assessing the size of the newly operated pouch or stomach using 3D tissue volumetry is another important function of CT. It ensures accurate measurements of the stomach and the dimensions of the incisions made during surgery.
This study examines the correlation between weight loss and the decrease in stomach volume following bariatric surgery. Assessment of gastric pouch volume in relation to weight, body mass index (BMI), and loss at the 1-and 6-month follow-up evaluations.
Three individuals (15%) had significant gastric dilatation, while seventeen (85%) had mild gastric dilatation, according to 3D CT scans taken at the 6-month mark of patients who had sleeve gastrectomy surgery.
At one month and six months post-op, weight, body mass index (BMI), and stomach capacity measurements were much lower than pre-op values. There was a significant difference between the weight loss measurements taken one month after surgery and those taken six months later.
There was positive, moderate, significant correlation between weight loss and volume loss after 6months. while no correlation between weight loss after 1 months and volume loss after 1month.